In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: clear link ID from bitmap during link delete after clean up
Currently, during link deletion, the link ID is first removed from the valid_links bitmap before performing any clean-up operations. However, some functions require the link ID to remain in the valid_links bitmap. One such example is cfg80211_cac_event(). The flow is -
nl80211_remove_link() cfg80211_remove_link() ieee80211_del_intf_link() ieee80211_vif_set_links() ieee80211_vif_update_links() ieee80211_link_stop() cfg80211_cac_event()
cfg80211_cac_event() requires link ID to be present but it is cleared already in cfg80211_remove_link(). Ultimately, WARN_ON() is hit.
Therefore, clear the link ID from the bitmap only after completing the link clean-up.
CVSS Details
- CVSS 3.1 Base Score: 3.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | May 15, 2025 | Jan 15, 2025 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | May 15, 2025 | Jan 15, 2025 |
| Ubuntu | — | Upgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-azure-lts-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-6.8.0-1028-nvidia-lowlatencyUpgrade linux-image-6.8.1-1022-realtimeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-azure-fdeUpgrade linux-image-oem-22.04bUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.0-60-genericUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04dUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1030-gcpUpgrade linux-image-6.8.0-60-generic-64kUpgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-6.8.0-1012-gkeopUpgrade linux-image-raspi-realtimeUpgrade linux-image-awsUpgrade linux-image-6.8.0-1016-azure-nvidiaUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-1026-oracle-64kUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1029-azure-fdeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-kvmUpgrade linux-image-6.8.0-60-lowlatencyUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.11.0-1017-oemUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-ibm-classicUpgrade linux-image-raspiUpgrade linux-image-nvidia-64kUpgrade linux-image-gcpUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1029-awsUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-1028-nvidiaUpgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-ibmUpgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gkeopUpgrade linux-image-6.8.0-1028-nvidia-lowlatency-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1028-nvidia-64kUpgrade linux-image-6.8.0-1030-gcp-64kUpgrade linux-image-6.8.0-1025-gkeUpgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-1026-ibmUpgrade linux-image-6.8.0-60-lowlatency-64kUpgrade linux-image-nvidiaUpgrade linux-image-oem-22.04Upgrade linux-image-oem-24.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-azureUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-gkeop-6.8Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.11.0-21-genericUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.8.0-1028-oemUpgrade linux-image-6.8.0-1026-oracleUpgrade linux-image-oem-22.04aUpgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-genericUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1029-azureUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-virtual | Mar 28, 2025 | Jan 15, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub